You will be given a definition of a task first, then some input of the task.
You are given a sentence in English. Your job is to translate the English sentence into Japanese.

Well, even taking the pessimistic estimate, that it's one in a thousand, that means that there are at least a billion cousins of the Earth just in our own galaxy.
Output:
悲観的に見積もったとしても 1000個に１個ということは少なくとも10億もの地球の兄弟が私たちのいる銀河系にあることになります